/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendGraph.h
FFrontendGraphis a utility graph for use in the frontend. It can own nodes that live within the graph and provides query interfaces for finding nodes by dependency ID or input/output index.
class FFrontendGraph : public [Metasound::FGraph](API\Plugins\MetasoundGraphCore\FGraph)